AirHint found the following cheapest return flights from Sofia (SOF) to Varna (VAR) in December 2025 (see full year).

Return flights

12 Dec - 15 Dec	Bulgaria Air	direct
08 Dec - 11 Dec	Bulgaria Air	direct
03 Dec - 17 Dec	Bulgaria Air	direct
31 Dec - 02 Jan	Bulgaria Air	direct
13 Dec - 14 Dec	Bulgaria Air
06 Dec - 21 Dec	Wizz Air
06 Dec - 20 Dec	Bulgaria Air	direct
07 Dec - 21 Dec	Bulgaria Air	direct

Also check the deals for one-way flights from Sofia to Varna in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Sofia to Varna in December from 93€

Return flights